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Every Fanqie book we index, searchable by title, author or tag.
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Functional Analysis
This book is a set of popular and application-oriented functional analysis textbooks (especially the application of quantum mechanics). The content includes Hilbert space geometry, bounded linear operators, spectral characteristics of compact operators, unbounded operators, spectral decomposition of self-adjoint operators, spectral family and spectral decomposition of unitary operators, self-adjoint continuation of symmetric operators, and the appendix - moment problems and function integral rep
—Reads8.3Score—Shelves
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Business Circle: Instantly Understand the "Hidden Rules" in the Business Circle
How to choose the business that is most suitable for you and "smell" business opportunities keenly? How to win the trust of someone you work with when you have no money? How to seize the fleeting opportunity to turn the situation around? How to identify noble people who can help you make a fortune and accumulate network resources in the business circle? … There is no need to be "treacherous" without business: To do business, you must not only learn how to package, but also learn to show off; you
—Reads8.9Score—Shelves